|
Item
| |
Unthinned
| |
Thinned
| |
t
|
p
| |
r
|
|---|
| | |
Mean
|
S.D.
|
Mean
|
S.D.
| | | | |
|
Temperature (°C)
|
n = 50
|
17.1
|
±2.52
|
18.6
|
±0.92
|
2.90
|
0.006
|
**
|
0.383
|
|
Relative humidity (%)
|
37.7
|
±20.42
|
92.4
|
±4.64
|
13.70
|
0.000
|
**
|
0.891
|
|
Wind velocity (m/s)
|
0.30
|
±0.19
|
0.16
|
±0.13
|
4.92
|
0.000
|
*
|
0.576
|
|
Radiant heat (°C)
|
21.8
|
±2.84
|
18.8
|
±1.05
|
2.19
|
0.034
|
**
|
0.299
|
|
Illuminance (Lux)
|
n = 119
|
668.4
|
±236.86
|
335.6
|
±171.84
|
8.23
|
0.000
|
**
|
0.604
|
|
Sound pressure (dB)
|
L.O. up to 45.5
| |
L.O. up to 46.1
| |
–
|
–
|
–
|
–
|
- L.O. shows the measurement limit (less than 40 dB) of the sound-level meter. The dB was listed from the minimum (measurement limit) to the maximum (actual number) as information of the sound pressure
- **p < 0.01, *p < 0.05, paired t-test
